12" rough-in * Class Five(R) - provides tremendous bulk waste flushing performance and best-in-class bowl cleanliness * 3-bolt Installation - Three pre-installed tank bolts save installation time * Canister flush valve provides smooth flushing actuation with consistent water usage, flush after flush * 1.28 gpf high-efficiency toilets provide significant water savings of up to 16,500 gallons per year versus an old 3.5-gallon toilet without sacrificing performance